fix tests

Author: dummdidumm

packages/svelte/tests/runtime-runes/samples/export-binding/_config.js

@@ -5,6 +5,6 @@ export default test({
 		dev: true // to ensure we we catch the error
 	},
 	error:
-		'Cannot use bind:increment on this component because it is a component export, and you can only bind to properties in runes mode. ' +
-		'Use bind:this instead and then access the property on the bound component instance.'
+		'Component .../samples/export-binding/Counter.svelte has an export named increment that a consumer component is trying to access using bind:increment, which is disallowed. ' +
+		'Instead, use bind:this (e.g. <Counter bind:this={component} />) and then access the property on the bound component instance (e.g. component.increment).'
 });

packages/svelte/tests/runtime-runes/samples/props-not-bindable-spread/_config.js

@@ -5,7 +5,8 @@ export default test({
 		dev: true
 	},
 	error:
-		'Cannot use bind:count on this component because the property was not declared as bindable. ' +
-		'To mark a property as bindable, use the $bindable() rune like this: `let { count = $bindable() } = $props()`',
+		'A component is binding to property count of Counter.svelte (i.e. <Counter bind:count />). This is disallowed because the property was ' +
+		'not declared as bindable inside .../samples/props-not-bindable-spread/Counter.svelte. To mark a property as bindable, use the $bindable() rune ' +
+		'in Counter.svelte like this: `let { count = $bindable() } = $props()`',
 	html: `0`
 });

packages/svelte/tests/runtime-runes/samples/props-not-bindable/_config.js

@@ -5,7 +5,8 @@ export default test({
 		dev: true
 	},
 	error:
-		'Cannot use bind:count on this component because the property was not declared as bindable. ' +
-		'To mark a property as bindable, use the $bindable() rune like this: `let { count = $bindable() } = $props()`',
+		'A component is binding to property count of Counter.svelte (i.e. <Counter bind:count />). This is disallowed because the property was ' +
+		'not declared as bindable inside .../samples/props-not-bindable/Counter.svelte. To mark a property as bindable, use the $bindable() rune ' +
+		'in Counter.svelte like this: `let { count = $bindable() } = $props()`',
 	html: `0`
 });